A small number of users are reporting issues accessing Blackboard. Blackboard is aware of the issue with their hosted service and confirms the issue is resolved for most users.

Some users were unable to log in to Blackboard.

On April 20th, Anthology’s DNS servers experienced a targeted and excessive amount of DNS requests which was intended to deny servicing DNS requests. DNS servers became overwhelmed and unable to service requests. On April 25th, a change was executed to enhance our DNS services to prevent DDoS events like the one that took place on 4/20. This change was not successful which propagated incorrect DNS information across the internet.

The change was rolled back but DNS is a pull- based request and took time to propagate the correction across the internet.

Anthology fixed and re-executed the upgrade to DNS services to prevent issues like the one experienced between 4/20 – 4/25.